Home / Standards / GB/T 12491-90 GB/T 12491-90 Determination of cysteic acid content in wool hydrolysates—Paper electrophoresis and colorimetric method 羊毛水解物中磺基丙氨酸含量的测定纸 电泳法和比色法 Standard Type GBT ICS N/A CCS N/A Status N/A Issue Date N/A Implementation N/A Responsible Dept N/A Drafting Unit N/A